Intel Core i9-13900 vs AMD Ryzen 9 7945HX

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CPU comparison with benchmarks


Intel Core i9-13900 CPU1 vs CPU2 AMD Ryzen 9 7945HX
Intel Core i9-13900 AMD Ryzen 9 7945HX

CPU comparison

Intel Core i9-13900 or AMD Ryzen 9 7945HX - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.

The Intel Core i9-13900 has 24 cores with 32 threads and clocks with a maximum frequency of 5.60 GHz. Up to 192 GB of memory is supported in 2 memory channels. The Intel Core i9-13900 was released in Q1/2023.

The AMD Ryzen 9 7945HX has 16 cores with 32 threads and clocks with a maximum frequency of 5.40 GHz. The CPU supports up to 128 GB of memory in 2 memory channels. The AMD Ryzen 9 7945HX was released in Q1/2023.
Intel Core i9 (78) Family AMD Ryzen 9 (35)
Intel Core i 13000 (17) CPU group AMD Ryzen 7045 (6)
13 Generation 6
Raptor Lake S Architecture Dragon Range (Zen 4)
Desktop / Server Segment Mobile
Intel Core i9-12900 Predecessor --
Intel Core i9-14900 Successor --

CPU Cores and Base Frequency

The Intel Core i9-13900 has 24 CPU cores and can calculate 32 threads in parallel. The clock frequency of the Intel Core i9-13900 is 2.00 GHz (5.60 GHz) while the AMD Ryzen 9 7945HX has 16 CPU cores and 32 threads can calculate simultaneously. The clock frequency of the AMD Ryzen 9 7945HX is at 2.50 GHz (5.40 GHz).

Intel Core i9-13900 Characteristic AMD Ryzen 9 7945HX
24 Cores 16
32 Threads 32
hybrid (big.LITTLE) Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? Yes
2.00 GHz (5.60 GHz)
8x Raptor Cove
A-Core 2.50 GHz (5.40 GHz)
16x Zen 4
1.50 GHz (4.20 GHz)
16x Gracemont
B-Core --

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

Intel Core i9-13900 Characteristic AMD Ryzen 9 7945HX
-- AI hardware --
-- AI specifications --

Internal Graphics

The Intel Core i9-13900 or AMD Ryzen 9 7945HX has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.

Intel UHD Graphics 770 GPU AMD Radeon 610M
0.30 GHz GPU frequency 0.40 GHz
1.65 GHz GPU (Turbo) 2.20 GHz
11 GPU Generation 9
10 nm Technology 6 nm
3 Max. displays 3
32 Compute units 2
256 Shader 128
No Hardware Raytracing Yes
No Frame Generation No
64 GB Max. GPU Memory 8 GB
12 DirectX Version 12

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.

Intel UHD Graphics 770 GPU AMD Radeon 610M
Decode / Encode Codec h265 / HEVC (8 bit) Decode / Encode
Decode / Encode Codec h265 / HEVC (10 bit) Decode / Encode
Decode / Encode Codec h264 Decode / Encode
Decode / Encode Codec VP9 Decode / Encode
Decode / Encode Codec VP8 Decode / Encode
Decode Codec AV1 Decode
Decode / Encode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

The Intel Core i9-13900 can use up to 192 GB of memory in 2 memory channels. The maximum memory bandwidth is 89.6 GB/s. The AMD Ryzen 9 7945HX supports up to 128 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 83.2 GB/s.

Intel Core i9-13900 Characteristic AMD Ryzen 9 7945HX
DDR5-5600, DDR4-3200 Memory DDR5-5200
192 GB Max. Memory 128 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
89.6 GB/s Max. Bandwidth 83.2 GB/s
Yes ECC Yes
32.00 MB L2 Cache 16.00 MB
36.00 MB L3 Cache 64.00 MB
5.0 PCIe version 5.0
20 PCIe lanes 28
78.8 GB/s PCIe Bandwidth 110.3 GB/s

Thermal Management

The thermal design power (TDP for short) of the Intel Core i9-13900 is 65 W, while the AMD Ryzen 9 7945HX has a TDP of 55 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Core i9-13900 Characteristic AMD Ryzen 9 7945HX
65 W TDP (PL1 / PBP) 55 W
219 W TDP (PL2) --
-- TDP up 75 W
-- TDP down --
100 °C Tjunction max. 100 °C

Technical details

The Intel Core i9-13900 is manufactured in 10 nm and has 68.00 MB cache. The AMD Ryzen 9 7945HX is manufactured in 5 nm and has a 80.00 MB cache.

Intel Core i9-13900 Characteristic AMD Ryzen 9 7945HX
10 nm Technology 5 nm
Monolithic Chip design Chiplet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2, AVX2+ ISA extensions SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512
LGA 1700 Socket FL1
VT-x, VT-x EPT, VT-d Virtualization AMD-V, SVM
Yes AES-NI Yes
Windows 10, Windows 11, Linux Operating systems Windows 10, Windows 11, Linux
Q1/2023 Release date Q1/2023
549 $ Release price --
show more data show more data


Rate these processors

Here you can rate the Intel Core i9-13900 to help other visitors make their purchasing decisions. The average rating is 3.0 stars (4 ratings). Rate now:
Here you can rate the AMD Ryzen 9 7945HX to help other visitors make their purchasing decisions. The average rating is 4.6 stars (37 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 5 CPU benchmarks
Intel Core i9-13900 (100%)
AMD Ryzen 9 7945HX (93%)
⌀ Multi core performance in 6 CPU benchmarks
Intel Core i9-13900 (97%)
AMD Ryzen 9 7945HX (97%)

Cinebench 2024 (Single-Core)

The Cinebench 2024 benchmark is based on the Redshift rendering engine, which is also used in Maxon's 3D program Cinema 4D. The benchmark runs are each 10 minutes long to test whether the processor is limited by its heat generation.
Intel Core i9-13900 Intel Core i9-13900
24C 32T @ 5.60 GHz
121 (100%)
AMD Ryzen 9 7945HX AMD Ryzen 9 7945HX
16C 32T @ 5.40 GHz
114 (94%)

Cinebench 2024 (Multi-Core)

The Multi-Core test of the Cinebench 2024 benchmark uses all cpu cores to render using the Redshift rendering engine, which is also used in Maxons Cinema 4D. The benchmark run is 10 minutes long to test whether the processor is limited by its heat generation.
Intel Core i9-13900 Intel Core i9-13900
24C 32T @ 5.60 GHz
1622 (97%)
AMD Ryzen 9 7945HX AMD Ryzen 9 7945HX
16C 32T @ 5.40 GHz
1669 (100%)

Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core i9-13900 Intel Core i9-13900
24C 32T @ 5.60 GHz
2165 (100%)
AMD Ryzen 9 7945HX AMD Ryzen 9 7945HX
16C 32T @ 5.40 GHz
1955 (90%)

Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i9-13900 Intel Core i9-13900
24C 32T @ 5.30 GHz
32605 (99%)
AMD Ryzen 9 7945HX AMD Ryzen 9 7945HX
16C 32T @ 2.50 GHz
32788 (100%)

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core i9-13900 Intel Core i9-13900
24C 32T @ 5.60 GHz
2130 (100%)
AMD Ryzen 9 7945HX AMD Ryzen 9 7945HX
16C 32T @ 5.40 GHz
2130 (100%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i9-13900 Intel Core i9-13900
24C 32T @ 5.30 GHz
19422 (100%)
AMD Ryzen 9 7945HX AMD Ryzen 9 7945HX
16C 32T @ 2.50 GHz
19472 (100%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
Intel Core i9-13900 Intel Core i9-13900
24C 32T @ 5.60 GHz
2876 (100%)
AMD Ryzen 9 7945HX AMD Ryzen 9 7945HX
16C 32T @ 5.40 GHz
2774 (96%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
Intel Core i9-13900 Intel Core i9-13900
24C 32T @ 5.30 GHz
19752 (100%)
AMD Ryzen 9 7945HX AMD Ryzen 9 7945HX
16C 32T @ 2.50 GHz
16214 (82%)

Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core i9-13900 Intel Core i9-13900
24C 32T @ 5.60 GHz
872 (100%)
AMD Ryzen 9 7945HX AMD Ryzen 9 7945HX
16C 32T @ 5.40 GHz
758 (87%)

Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i9-13900 Intel Core i9-13900
24C 32T @ 5.30 GHz
12375 (96%)
AMD Ryzen 9 7945HX AMD Ryzen 9 7945HX
16C 32T @ 2.50 GHz
12914 (100%)

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
Intel Core i9-13900 Intel Core i9-13900
Intel UHD Graphics 770 @ 1.65 GHz
846 (100%)
AMD Ryzen 9 7945HX AMD Ryzen 9 7945HX
AMD Radeon 610M @ 2.20 GHz
443 (52%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
Intel Core i9-13900 Intel Core i9-13900
24C 32T @ 5.30 GHz
53780 (91%)
AMD Ryzen 9 7945HX AMD Ryzen 9 7945HX
16C 32T @ 2.50 GHz
58842 (100%)

Blender 2.81 (bmw27)

Blender is a free 3D graphics software for rendering (creating) 3D bodies, which can also be textured and animated in the software. The Blender benchmark creates predefined scenes and measures the time (s) required for the entire scene. The shorter the time required, the better. We selected bmw27 as the benchmark scene.
Intel Core i9-13900 Intel Core i9-13900
24C 32T @ 5.30 GHz
0 (0%)
AMD Ryzen 9 7945HX AMD Ryzen 9 7945HX
16C 32T @ 2.50 GHz
94 (100%)

CPU-Z Benchmark 17 (Single-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
Intel Core i9-13900 Intel Core i9-13900
24C 32T @ 5.30 GHz
881 (100%)
AMD Ryzen 9 7945HX AMD Ryzen 9 7945HX
16C 32T @ 2.50 GHz
0 (0%)

CPU-Z Benchmark 17 (Multi-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
Intel Core i9-13900 Intel Core i9-13900
24C 32T @ 2.00 GHz
10062 (100%)
AMD Ryzen 9 7945HX AMD Ryzen 9 7945HX
16C 32T @ 2.50 GHz
0 (0%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core i9-13900 Intel Core i9-13900
24C 32T @ 5.60 GHz
0 (0%)
AMD Ryzen 9 7945HX AMD Ryzen 9 7945HX
16C 32T @ 5.40 GHz
312 (100%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i9-13900 Intel Core i9-13900
24C 32T @ 5.30 GHz
0 (0%)
AMD Ryzen 9 7945HX AMD Ryzen 9 7945HX
16C 32T @ 2.50 GHz
5597 (100%)

CPU performance per watt (efficiency)

Efficiency of the processor under full load in the Cinebench R23 (multi-core) benchmark. The benchmark result is divided by the average energy required (CPU package power in watts). The higher the value, the more efficient the CPU is under full load.
Intel Core i9-13900 Intel Core i9-13900
2.00 GHz
0 (0%)
AMD Ryzen 9 7945HX AMD Ryzen 9 7945HX
32,788 CB R23 MC @ 134 W
245 (100%)

Devices using this processor

Intel Core i9-13900 AMD Ryzen 9 7945HX
Unknown Unknown

News and articles for the Intel Core i9-13900 and the AMD Ryzen 9 7945HX


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